Metropolitan Police officers investigating the murder of Clive Massi in Thamesmead have arrested a 23-year-old man.
He was arrested on Tuesday (10 February) and has been bailed to return on a date in mid-April. He is the 12th person arrested in connection with Massi's death.
Brent college student Massi - whose real name was Chleve - was shot dead on 1 February.
Officers were called to Erebus Drive in Woolwich, south-east London, to reports of a shooting but came across two cars stopped in the road in Western Way, Thamesmead - a dark blue Ford Focus and a grey Audi A3 - containing three occupants, one of whom had gunshot wounds.
London Ambulance Service attended and the man, aged in his twenties, was taken to a London hospital where he died at approximately 6.30am. The two other men in the cars were not arrested.
Two women, aged 24 and 26, and four men, three of whom are aged 19, and one aged 25, were arrested and been bailed to a date in mid-March.
Five other men have been released with no further action.
Enquiries are ongoing. Detectives from Homicide and Major Crime Command are investigating.
Anyone with information that could assist this enquiry should contact police on the non-emergency line 101 or anonymously on 0800 555 111.